By George Kizer
The first publication to hide all engineering points of microwave conversation direction layout for the electronic age
Fixed point-to-point microwave structures supply moderate-capacity electronic transmission among well-defined destinations. most well liked in occasions the place fiber optics or satellite tv for pc communique is impractical, it's general for mobile or desktops website interconnectivity the place electronic connectivity is required yet no longer economically to be had from different resources, and in deepest networks the place reliability is most vital.
Until now, no ebook has appropriately handled all engineering features of microwave communications within the electronic age. this crucial new paintings presents readers with the intensity of data beneficial for all of the approach engineering info linked to mounted point-to-point microwave radio course layout: the why, what, and the way of microwave transmission; layout targets; engineering methodologies; and layout philosophy (in the bid, layout, and attractiveness section of the project).
Written in an simply available layout, Digital Microwave Communication positive aspects an appendix of specialised engineering information and formulation, and provides up bankruptcy insurance of:
- A short background of Microwave Radio
- Microwave Radio Overview
- System Components
- Hypothetical Reference Circuits
- Multipath Fading
- Rain Fading
- Reflections and Obstructions
- Network Reliability Calculations
- Regulation of Microwave Radio Networks
- Radio community functionality Objectives
- Designing and working Microwave Systems
- Antennas
- Radio Diversity
- Ducting and Obstruction Fading
- Digital Receiver Interference
- Path functionality Calculations
Digital Microwave communique: Engineering Point-to-Point Microwave Systems can be of significant curiosity to engineers and bosses who specify, layout, or evaluation mounted point-to-point microwave structures linked to communications structures and gear brands, self reliant and college study businesses, govt enterprises, telecommunications companies, and different users.Content:
Chapter 1 a short background of Microwave Radio fastened Point?to?Point (Relay) conversation structures (pages 1–19):
Chapter 2 law of Microwave Radio Transmissions (pages 20–47):
Chapter three Microwave Radio evaluation (pages 48–95):
Chapter four Radio community functionality pursuits (pages 96–113):
Chapter five Radio procedure parts (pages 114–174):
Chapter 6 Designing and working Microwave platforms (pages 175–219):
Chapter 7 Hypothetical Reference Circuits (pages 220–248):
Chapter eight Microwave Antenna concept (pages 249–319):
Chapter nine Multipath Fading (pages 320–347):
Chapter 10 Microwave Radio variety (pages 348–383):
Chapter eleven Rain Fading (pages 384–460):
Chapter 12 Ducting and Obstruction Fading (pages 461–513):
Chapter thirteen Reflections and Obstructions (pages 514–558):
Chapter 14 electronic Receiver Interference (pages 559–572):
Chapter 15 community Reliability Calculations (pages 573–586):
Chapter sixteen course functionality Calculations (pages 587–652):
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Extra resources for Digital Microwave Communication: Engineering Point-to-Point Microwave Systems
Sample text
In France, TDM using PCM had been studied beginning in 1932. These techniques were used extensively in the United States beginning in 1962 with T1 digital cable spans with 24 voice channel banks connecting the 4ESS tandem switches. The transport was digital but the connections to the 4ESS were analog. Later direct DS1 interfaces were added to the switch. The introduction of the electronic 4ESS switch in 1976 spurred the development of terrestrial digital systems. In Europe, 30 voice channel TDM/PCM E1 links were being deployed (Fagen, 1978; Sobol, 1984; Welch, 1984).
17, pp. 489–519, October 1938. Fagen, M. , A History of Engineering & Science in the Bell System, The Early Years (1875-1925). Murray Hill: Bell Telephone Laboratories, 1975. Fagen, M. , Editor, A History of Engineering and Science in the Bell System, National Service in War and Peace (1925–1975). Murray Hill: Bell Telephone Laboratories, 1978. Friis, H. , “Noise Figures of Radio Receivers,” Proceedings of the IRE, pp. 419–422, July 1944. Friis, H. , “A Note on a Simple Transmission Formula,” Proceedings of the IRE—Waves and Electrons Section, pp.
6). One of the significant challenges of frequency planners is in maintaining a high/low frequency pattern for new systems once such a plan has been established in an area. 1 The US lower 6-GHz band channel allocations. 2 Typical two-frequency plan utilization. 3 An example junction station. In North America, coordination is accomplished on the basis of carrier-to-interference (C/I) ratio. This is different than the international C/I methodology described in Chapter 14. The coordination area defines the area within which the effect of transmitters must be evaluated into existing receivers.